This folder contains correspondence and other documents relating to x-ray technology and the dangers of x-rays. Included are items regarding news stories of Edison's overexposure to x-rays and the ill health of Clarence M. Dally, a former laboratory employee who sustained radiation burns in 1896. There are also letters from William J. Hammer concerning the procurement of radium and the status of technical knowledge within the field.
All of the documents have been selected.